Yes, there will be other items with different shipping rates that don't come from the same database. I was going to ask that as well. Will it cause conflict? Is there something I need to know?
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.